Cita APA (7th ed.)

O'Sullivan, A., Perez, S. J., & Sheffrin, S. M. (2010). Economics: Principles, applications, and tools (Sixth edition.). Prentice Hall/Pearson.

Cita Chicago (17th ed.)

O'Sullivan, Arthur, Stephen J. Perez, i Steven M. Sheffrin. Economics: Principles, Applications, and Tools. Sixth edition. Upper Saddle River, N.J: Prentice Hall/Pearson, 2010.

Cita MLA (9th ed.)

O'Sullivan, Arthur, et al. Economics: Principles, Applications, and Tools. Sixth edition. Prentice Hall/Pearson, 2010.